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/* $OpenBSD: biosdev.h,v 1.2 2007/04/28 19:23:10 deraadt Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
* Extension support bitmap definition (returned by 41h)
*/
#define EXT_BM_EDA 0x01 /* Extended disk access functions */
/* (42h-44h, 47h and 48h) supported. */
#define EXT_BM_RDC 0x02 /* Removable drive controller functions */
/* (45h, 46h, 48h, 49h and INT 15 52h) */
/* supported. */
#define EXT_BM_EDD 0x04 /* Enhanced disk drive functions */
/* (48h and 4eh) supported. */
#define EXT_BM_RSV 0xf8 /* Reserved (0) */
struct consdev;
struct open_file;
/* biosdev.c */
extern const char *biosdevs[];
int biosstrategy(void *, int, daddr_t, size_t, void *, size_t *);
int biosopen(struct open_file *, ...);
int biosclose(struct open_file *);
int biosioctl(struct open_file *, u_long, void *);
int bios_getdiskinfo(int, bios_diskinfo_t *);
int biosd_io(int, bios_diskinfo_t *, daddr_t, int, void *);
const char * bios_getdisklabel(bios_diskinfo_t *, struct disklabel *);
/* diskprobe.c */
struct diskinfo *dklookup(int);
bios_diskinfo_t *bios_dklookup(int);
/* bioscons.c */
void pc_probe(struct consdev *);
void pc_init(struct consdev *);
int pc_getc(dev_t);
int pc_getshifts(dev_t);
void pc_putc(dev_t, int);
void pc_pollc(dev_t, int);
void com_probe(struct consdev *);
void com_init(struct consdev *);
int comspeed(dev_t, int);
int com_getc(dev_t);
void com_putc(dev_t, int);
void com_pollc(dev_t, int);
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